340 GLOSSARY. 



Fusco-testaceous. Dull reddish-brown. 



Fuscous. Dark brown, approaching black. 



Fusiform. Spindle-shaped ; gradually tapering at each end. 



Genital lobe. The bag-like appendage upon the second ventral segment 



of the male dragon-fly. 

 Genital accessory organs. The hooks, &c., situated beneath the second 



ventral segment of the male dragon-fly, &c. 

 Glaucous. Of a sea-green color. 

 Guttse. Marks resembling dots or small spots. 

 Guttated. Marked with guttce. 

 Gradate. Step by step ; successive. 

 Granulated. Provided with minute, close prominences, like very small 



grains of sand, &c. 

 Hab. Abbreviation of Habitat. 



Habitat. The place or region which an insect inhabits. 

 Habitus. Aspect ; general appearance, or likeness. 

 Hamate. Furnished with hooks, or hook-like processes. 

 Hamule. A small hook. 

 Hastated. Halberd-shaped ; excavated at the base and sides, but with 



spreading lobes or angles. 

 Hastiform. Shaped like a halberd. 

 Haustellate. Furnished with a proboscis-like mouth. 

 Hirsute. Clothed with shaggy hairs. 

 Humeral. Belonging to the humerus or shoulder. 

 Hyaline. Transparent ; of the color of water. 

 Imagines. Plural of imago. 



Imago. The insect in its last stage, after passing through larva and pupa. 

 Immarginare. Not furnished with a turned-up edge. 

 Incanous. Hoary ; clothed with whitish hair or powder. 

 Incision. A slit-like cut. 

 Incisures. The impressed transverse lines between the segments of the 



abdomen, &c. 



Incomplete. Not fully developed. 

 Inferiorly. Beneath ; pertaining to the lower surface. 

 Infracted. Bent ; suddenly bent. 

 Infumated. Clouded, as if with tobacco-smoke. 

 Infuscated. Darkened with a blackish tinge. 

 Interrupted. Suddenly stopped. 

 Involuted. Rolled inwards spirally. 

 Irrorated. Marked with spots like freckles. 

 Labium. The lower lip of an insect. 

 Labrum. The upper lip of an insect. 

 Lamelliform. Shaped like a plate of metal, &c. 

 Lamina. A plate or sheet-like piece. 

 Laminated. Provided with laminae. 

 Lanceolate, or Lanceolated. Shaped like a spear. 



